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fix #3 Image Manager - Create small pieces with extracting codes from…
… runner struct
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| Original file line number | Diff line number | Diff line change |
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@@ -18,4 +18,6 @@ | |
| # vendor/ | ||
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| # Go workspace file | ||
| go.work | ||
| go.work | ||
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| .pin | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package image_manager | ||
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| import ( | ||
| "bufio" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "strings" | ||
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| "github.com/docker/docker/api/types" | ||
| "github.com/fatih/color" | ||
| "github.com/muhammedikinci/pin/pkg/interfaces" | ||
| ) | ||
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| func NewImageManager(ctx context.Context, cli interfaces.Client, log interfaces.Log) imageManager { | ||
| return imageManager{ | ||
| ctx: ctx, | ||
| cli: cli, | ||
| log: log, | ||
| } | ||
| } | ||
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| type imageManager struct { | ||
| ctx context.Context | ||
| cli interfaces.Client | ||
| log interfaces.Log | ||
| } | ||
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| type imagePullingResult struct { | ||
| Status string `json:"status"` | ||
| Progress string `json:"progress"` | ||
| } | ||
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| func (im imageManager) CheckTheImageAvailable(image string) (bool, error) { | ||
| images, err := im.cli.ImageList(im.ctx, types.ImageListOptions{}) | ||
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| if err != nil { | ||
| return false, err | ||
| } | ||
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| for _, v := range images { | ||
| if image == v.RepoTags[0] { | ||
| color.Set(color.FgGreen) | ||
| im.log.Println("Image is available") | ||
| color.Unset() | ||
| return true, nil | ||
| } | ||
| } | ||
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| return false, nil | ||
| } | ||
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| func (im imageManager) PullImage(image string) error { | ||
| color.Set(color.FgBlue) | ||
| im.log.Printf("Image pulling: %s", image) | ||
| color.Unset() | ||
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| im.log.Println("Waiting for docker response...") | ||
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| reader, err := im.cli.ImagePull(im.ctx, image, types.ImagePullOptions{}) | ||
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| if err != nil { | ||
| return err | ||
| } | ||
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| defer reader.Close() | ||
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| bio := bufio.NewReader(reader) | ||
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| for { | ||
| line, err := bio.ReadBytes('\n') | ||
| if err == io.EOF { | ||
| break | ||
| } | ||
| if err != nil { | ||
| return err | ||
| } | ||
| sline := strings.TrimRight(string(line), "\n") | ||
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| res := imagePullingResult{} | ||
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| err = json.Unmarshal([]byte(sline), &res) | ||
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| if err != nil { | ||
| return err | ||
| } | ||
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| fmt.Printf("\033[A\033[K%s %s\n", res.Status, res.Progress) | ||
| } | ||
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| return nil | ||
| } |
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